From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755442Ab3A2BQo (ORCPT ); Mon, 28 Jan 2013 20:16:44 -0500 Received: from mga02.intel.com ([134.134.136.20]:1064 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755151Ab3A2BQl (ORCPT ); Mon, 28 Jan 2013 20:16:41 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,555,1355126400"; d="scan'208";a="253871454" Message-ID: <51072327.2000807@intel.com> Date: Tue, 29 Jan 2013 09:17:27 +0800 From: Alex Shi User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120912 Thunderbird/15.0.1 MIME-Version: 1.0 To: Mike Galbraith CC: Borislav Petkov , torvalds@linux-foundation.org, mingo@redhat.com, peterz@infradead.org, tglx@linutronix.de, akpm@linux-foundation.org, arjan@linux.intel.com, pjt@google.com, namhyung@kernel.org, vincent.guittot@linaro.org, gregkh@linuxfoundation.org, preeti@linux.vnet.ibm.com, viresh.kumar@linaro.org, linux-kernel@vger.kernel.org Subject: Re: [patch v4 0/18] sched: simplified fork, release load avg and power awareness scheduling References: <1358996820-23036-1-git-send-email-alex.shi@intel.com> <20130124094439.GB13463@pd.tnic> <51014E34.60309@intel.com> <510493E4.8060602@intel.com> <1359261385.5803.46.camel@marge.simpson.net> <20130127103508.GB8894@pd.tnic> <51052ACB.3070703@intel.com> <1359301903.5805.11.camel@marge.simpson.net> <1359350266.5783.39.camel@marge.simpson.net> <510611D2.1020007@intel.com> <1359353720.5783.51.camel@marge.simpson.net> <1359355337.5783.56.camel@marge.simpson.net> In-Reply-To: <1359355337.5783.56.camel@marge.simpson.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/28/2013 02:42 PM, Mike Galbraith wrote: > Back to original 1ms sleep, 8ms work, turning NUMA box into a single > node 10 core box with numactl. > > monteverdi:/abuild/mike/:[0]# echo powersaving > /sys/devices/system/cpu/sched_policy/current_sched_policy > monteverdi:/abuild/mike/:[0]# numactl --cpunodebind=0 massive_intr 10 60 > 045286 00043872 > 045289 00043464 > 045284 00043488 > 045287 00043440 > 045283 00043416 > 045281 00044456 > 045285 00043456 > 045288 00044312 > 045280 00043048 > 045282 00043240 Um, no idea why the powersaving data is so low. > monteverdi:/abuild/mike/:[0]# echo balance > /sys/devices/system/cpu/sched_policy/current_sched_policy > monteverdi:/abuild/mike/:[0]# numactl --cpunodebind=0 massive_intr 10 60 > 045300 00052536 > 045307 00052472 > 045304 00052536 > 045299 00052536 > 045305 00052520 > 045306 00052528 > 045302 00052528 > 045303 00052528 > 045308 00052512 > 045301 00052520 > monteverdi:/abuild/mike/:[0]# echo performance > /sys/devices/system/cpu/sched_policy/current_sched_policy > monteverdi:/abuild/mike/:[0]# numactl --cpunodebind=0 massive_intr 10 60 > 045339 00052600 > 045340 00052608 > 045338 00052600 > 045337 00052608 > 045343 00052600 > 045341 00052600 > 045336 00052608 > 045335 00052616 > 045334 00052576 -- Thanks Alex